package com.example.springstydy.Controller;

import com.example.springstydy.Service.UserService;
import com.example.springstydy.pojo.Result;
import com.example.springstydy.pojo.User;
import com.example.springstydy.util.JwtUtil;
import com.example.springstydy.util.Md5Util;
import com.example.springstydy.util.ThreadLocalUtil;
import jakarta.validation.constraints.Pattern;
import org.hibernate.validator.constraints.URL;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

@RestController
@RequestMapping("/user")
@Validated
public class UserController {
    @Autowired
    private UserService userService;
    @PostMapping("/register")
//    public Result register(@RequestBody Map<String,String> params){
    public Result register(@Pattern(regexp = "^\\S{5,16}$") String username, @Pattern(regexp = "^\\S{5,16}$")String password){
        //首先查找有没有用户
        User u=userService.findByName(username);
        if(u==null){
            userService.register(username,password);
            return Result.success();
        }else{
            return Result.error("该用户名已被占用");
        }
    }
    @PostMapping("/login")
    public Result<String> login(@Pattern(regexp = "^\\S{5,16}$") String username, @Pattern(regexp = "^\\S{5,16}$")String password){
        User loginUser = userService.findByName(username);
        if(loginUser==null){
            return Result.error("用户名错误");
        }
        if(Md5Util.getMD5String(password).equals(loginUser.getPassword())){
            Map<String,Object> claims=new HashMap<>();
            claims.put("id",loginUser.getId());
            claims.put("username",loginUser.getUsername());
            String token= JwtUtil.genToken(claims);
            return Result.success(token);
        }
        return Result.error("密码错误");
    }
    @GetMapping("/userInfo")
    public Result<User> userInfo(@RequestHeader(name="Authorization")String token){
//        Map<String,Object> map=JwtUtil.parseToken(token);
//        String username=(String) map.get("username");
        Map<String,Object> map= ThreadLocalUtil.get();
        String username =(String) map.get("username");
        User user=userService.findByName(username);
        return Result.success(user);
    }
    @PutMapping("/update")
    public Result update(@RequestBody @Validated User user){
        userService.update(user);
        return Result.success();
    }
    @PatchMapping("/updateAvater")
    public Result updateAvatar(@RequestParam @URL String avatarUrl){
        userService.updateAvatar(avatarUrl);
        return Result.success();
    }
}
